There's a 50 percent chance of storms from 3 p.m. to 6 p.m. ET on Sunday, according to WTAE in Pittsburgh, and radar predictions indicate that the heaviest rain will fall around 4 p.m. The showers will likely be spotty, though, with intermittent sunshine between.

According to Weather.com, there's a better than 50 percent chance of rain through 5:15 p.m. in Oakmont before the percentages begin to drop precipitously to less than 15 percent by 7 p.m. Play should resume on time as long as there are no other delays.

There's no water at Oakmont, even when it pours. While the venerable and now nearly tree-less course carved out of the western Pennsylvania hills held up fine despite steady overnight rain ahead of Saturday's third round,

The deluge turned out to be a fortuitous occurrence, the sheets of rain and corresponding delay a perfect opportunity for J.J. Spaun to turn chaos into calm.While a crew of groundskeepers and volunteers were working on the saturated Oakmont Country Club with hand towels and squeegees and whatever else they could find to remove water from fairways and greens,

The 125th U.S. Open is taking place this week outside of Pittsburgh at Oakmont Country Club, and after a dry, hot start, shower and storm chances will increase for the weekend. Oakmont Country Club is hosting the tournament for a record 10th time this year, with the last one in 2016 when Dustin Johnson won.